<!DOCTYPE html>
<meta charset="utf-8">
<title>writing-modes and logical props: colgroup</title>
<link rel="author" title="Florian Rivoal" href="http://florian.rivoal.net/">
<link rel="help" href="https://www.w3.org/TR/css-logical-1/#box">
<link rel="help" href="https://www.w3.org/TR/css-writing-modes-3/#placement">
<link rel="help" href="https://www.w3.org/TR/css-writing-modes-3/#block-flow">
<link rel="match" href="reference/logical-props-001-ref.html">
<meta name="assert" content="The logical properties on table column groups are resolved taking the writing mode of the element into account,
                            even though the writing mode property does not apply to that element.">
<style>
table { border-collapse: collapse; }
td {
  padding: 0;
  height: 100px;
  width: 100px;
}
colgroup {
  writing-mode: vertical-rl;
  border-inline-start: 5px green solid;
}

.red {
  position: absolute;
  width: 100px;
  height: 5px;
  background: red;
  z-index: -1;
}

</style>
<body>
  <p>Test passes if there is a <strong>horizontal green stripe</strong> below and <strong>no red</strong>.
  <div class=red></div>
  <table><colgroup><tbody><tr><td>&nbsp;</td></tr></tbody></table>
</body>
